JDK 8u66 now available on Heroku

Change effective on 21 October 2015

Heroku’s support for Java 8 has been upgraded to include OpenJDK 8u66. This is now the default JDK for all Java, Scala, Clojure, Groovy and JRuby applications. To manually set the JDK version, create a system.properties file in the root directory of your project and put the following code in it: